London travel news LIVE: Tube and Overground disruption as signal failure sparks delays
Commuters are facing disruption on the Tube and Overground as a signal failure causes major problems on the network.
At 7am, the Lioness line was suspended due to a signal failure at Stonebridge Park, with TfL advising passengers to use alternative routes to complete their journeys.
The Bakerloo line was also partially suspended between Harrow & Wealdstone and Queen’s Park, with severe delays between Stonebridge Park and Queen’s Park.
Meanwhile, minor delays were affecting the Piccadilly, Hammersmith & City and Circle lines due to train cancellations and late-running engineering works.
Follow our live blog for the latest travel updates.
Live updates
Severe delays on the District line
There are severe delays on the District line between Barking and Upminster due to train cancellations.
Tickets will be accepted on London Buses and C2C via reasonable routes.
Good service on the rest of the line.

A District Line train
PA
Tram between Lloyds Park and Addington Village is part suspended
There is currently no service between Lloyd Park and Addington Village due to a signal failure.
Passengers are advised to seek alternative routes.
Good service on all other Tram lines.
Signal failure affecting commuters travelling into London Euston
Passengers travelling between Watford Junction and London Euston should expect delays this morning due to a signal failure at Stonebridge Park.
No London Overground lines between Watford Junction and London Euston are currently operating.
Disruption is expected until 8.30am.

Passengers travelling between Watford Junction and London Euston should expect delays this morning due to a signal failure at Stonebridge Park.
Getty Images
Minor delays on the Circle and Hammersmith & City line
There are currently minor delays on the Circle and Hammersmith & City line due to train cancellations.
Disruption on Underground and Overground lines due to signal failure
Passengers face disruption on the London Underground and Overground this morning due to a signal failure at Stonebridge Park.
It comes as morning rush hour gets underway, with the Lioness line currently suspended.
TfL has urged passengers using this line to seek alternative routes.
The Bakerloo line is also partially suspended between Harrow & Wealdstone and Queen's Park, with minor delays on the rest of the line.
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